Tag: black

This code is a project that I am working on to eventually analyze some images but right now I am purely trying to read an image and convert it to black and white. The input should be either white or something else which would end up as black so it is easy to check for this.

To be clear, I desire to create an array arr that contains either a 0 if the corresponding pixel in the inputted image is white or 1 if it is anything other than white.

I am somewhat of a beginner with Python but I am confused as to why this code takes so long to run (>19 seconds on my older Mac). Is there something that I am missing that would speed it up significantly?

I am trying to set up the Nvidia Driver on Ubuntu 18.04 LTS for my Lenovo Y510P Laptop. My laptop has a Nvidia Optimus Technology graphics card (GeForece GT 750M). I have tried using all of the additional Nvidia Drivers including current to old, 415, 410, 396, 390, and 340 (with ppa:graphics-drivers). I have tried using Bumblebee (which is no longer available using ppa:bumblebee/stable), I have tried changing .conf files, I have tried using bbswitch, Prime and others, but no luck. I either get a black screen with a blinking cursor in the top left corner, or a Login loop.

I have spent 5 days searching this and other forums trying to find a solution, but after trying dozens of different solution attempts, nothing works. Unfortunately, all forum topics I have found up to this point are very outdated and provide old solutions to additional software such as Bumblebee that is no longer available or updated. Please help.

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I have 4 binders filled with 35mm black-and-white negatives and contact sheets. I’ve had good luck scanning the contact sheets, but bad luck scanning the slides. Professional scanning services are 50 cents to $ 1.25/image. Apparently you don’t want to scan to B&W JPEG, because they are only 8-bits deep, but scanning to TIFF results in files that are 20-30 MB/image. And none of the home scanners are truly automatic, by which I mean that I can’t just put down the negatives on the scanner, hit a button, and end up with 10 decent scans.

I’ve also read that Digital ICE doens’t work with black-and-white negatives.

So what’s the right approach for scanning a lot of 35mm B&W negatives. I’m interested in preserving them and making them usable. My budget is $ 500 to $ 1000, and the scanning cost of the commercial scanners seems $ 5000 or more for the amount of images that I have.

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We were incorporated in the province of Quebec in September 2015, and are now known as TrunkSpace Hosting Inc. We own servers in our Montreal datacenter, the city where we are headquartered, colocate servers used for webhosting some of our dedicated hosting services, while we lease and remotely operate servers for the rest of our offerings.”

Hey guys, Atif from TrunkSpaceHosting is back again this year with another aggressive offer for our readers. They are offering 50% off their regular pricing on the various plans listed below. They’re a registered company in Canada, their WHOIS is public, and you can find their legal docs/ToS here.

They accept the following payment methods: PayPal, Stripe, BTC, BCH, ETH and LTC via Coinbase Commerce, PaymentWall for gift cards and bank transfers in many countries.

In their own words:

“Our company (TrunkSpace Hosting) was founded in February of 2005, starting up by providing shared and dedicated website hosting for small and medium businesses on dedicated servers out of Portland, Oregon. We have since expanded our offering to include VPN solutions, VPS solutions, voice servers (with Teamspeak 3, for which we became an ATHP, and Mumble, for which we are on the official Mumble hoster list) in July 2013; we now have voice servers hosted out of 12 locations worldwide, hosting over 1000 voice servers (over 20,000 total slots). We now provide game servers (for games: Arma 3, Battlefield 2, CS:GO, CS:Source, GTA-MTA, GTA-SA, Minecraft & Team Fortress 2), as well as dedicated servers, and we sell SSL certificates at ultra low prices.

We were incorporated in the province of Quebec in September 2015, and are now known as TrunkSpace Hosting Inc. We own servers in our Montreal datacenter, the city where we are headquartered, colocate servers used for webhosting some of our dedicated hosting services, while we lease and remotely operate servers for the rest of our offerings.”